<div>
    <img id="bg" src="https://pngquant.org/pngquant-logo.png">
    <h1 id="app"></h1>
    <p id="desc"></p>
    <p id="desc_detail"></p>
    <h1 id="features"></h1>
    <p id="feature_li_1"></p>
    <p id="feature_li_2"></p>
    <p id="feature_li_3"></p>
    <p id="feature_li_4"></p>
    <h1 id="use"></h1>
    <p id="use_desc"></p>
    <div id="use_box">
        <input type="text" id="use_input">
    </div>
    <button id="comfirm" class="comfirm1"></button>
    <p id="footer"></p>
</div>